Properties Of Calcium Carbonate In The Rubber Industry
calcium carbonate (CaCO3) , also known as limestone, is a natural chemical widely used in the rubber industry for multiple reasons:
- Reducing the melting point of the mixture:
- The main component of glass is silica sand (SiO2), which has a high melting point (about 1700 °C).
- Calcium carbonate is added to silica sand to form a mixture called raw glass.
- Calcium carbonate reacts with silica sand at high temperatures to form new compounds with much lower melting points (about 800-900°C).
- This allows the glass to be manufactured more efficiently and with less energy consumption.
- Improved properties:
- Calcium carbonate helps improve some rubber properties, such as:
- Strength: Calcium carbonate increases the strength and resistance to abrasion of rubber.
- Hardness: Calcium carbonate helps make rubber harder and more durable.
- Chemical resistance: Calcium carbonate helps improve rubber’s resistance to various chemicals.
- Heat resistance: Calcium carbonate helps improve the heat resistance of rubber.
- Facilitation of processing:
- Calcium carbonate helps facilitate the rubber processing process, improving production efficiency.
- Calcium carbonate reduces the viscosity of the rubber, making it easier to mix and mold.
- Types of calcium carbonate used in the rubber industry:
- Light Calcium Carbonate: Used in manufacturing rubber products that require a great deal of elasticity, such as tires.
- Heavy Calcium Carbonate: Used in manufacturing rubber products that require a great deal of strength and rigidity, such as shoes.
- The amount of calcium carbonate used in the rubber industry:
- The amount of calcium carbonate used in the rubber industry depends on the type of product required.
- Generally, the amount of calcium carbonate used in the rubber industry ranges between 10% and 50%.
- The effect of calcium carbonate on rubber properties:
- Hardness: Calcium carbonate increases the hardness of rubber, making it more resistant to scratches and abrasion.
- Tensile resistance: Calcium carbonate improves the tensile resistance of rubber, making it more able to withstand heavy loads.
- Fatigue resistance: Calcium carbonate reduces the fatigue rate of rubber, making it more durable for long periods.
- Heat resistance: Calcium carbonate helps improve rubber’s heat resistance, making it more able to work at high temperatures.
- Resistance to chemicals: Calcium carbonate helps improve rubber’s resistance to various chemicals, such as acids and alkalis.
- Effect of calcium carbonate on rubber processing:
- Viscosity: Calcium carbonate reduces the viscosity of rubber, making it easier to mix and mold.
- Mixing time: Calcium carbonate reduces the time required to mix rubber, improving production efficiency.
- Moldability: Calcium carbonate improves the moldability of rubber, making it easier to manufacture various products.
- Uses of calcium carbonate in the rubber industry:
- Tires: Calcium carbonate is used in tire manufacturing to improve their properties, such as strength and wear resistance.
- Shoes: Calcium carbonate is used in the manufacture of shoes to improve their properties, such as strength and hardness.
- Other rubber products: Calcium carbonate is used in the manufacture of many other rubber products, such as hoses, gaskets, and plates.
- Effects of calcium carbonate on the environment:
- Calcium carbonate is a natural, non-toxic substance, making it relatively safe for the environment.
- However, calcium carbonate can cause some contamination if drained incorrectly.
- Alternatives to calcium carbonate in the rubber industry:
- There are some alternative materials to calcium carbonate in the rubber industry, such as:
- Silica: Silica is used to improve rubber properties, such as strength and abrasion resistance.
- Clay: Clay is used to improve the properties of rubber, such as elasticity and moldability.
About the largest company in grinding and producing calcium carbonate Globe Stone Hills
Latest Posts
-
- default
-
- default
-
- default
-
- default
-
- default
The largest industrial and commercial grouping for the product of calcium carbonate .
Links
- © Copyright 2024. Globe Stone Hills